Governments can keep raiding takeaways and nail bars, but businesses will still employ undocumented migrants
- Written by Aida Hajro, Chair in International Business, University of Leeds, and Founding Co-Director of Migration, Business & Society, University of Leeds

The UK is far from the only country to be caught in a heated debate over its migration system and border security. Unfortunately, it is unlikely to get its response right, because the UK debate ignores a fundamental truth: migration trends largely follow economic cycles and labour demand.
It is well-documented that immigration in...